Quarterly report pursuant to Section 13 or 15(d)

Contingencies and commitments - Alpine Collaboration Agreement (Details)

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Contingencies and commitments - Alpine Collaboration Agreement (Details) - Research and development - Collaboration agreement - Alpine Immune Sciences Inc. - USD ($)
1 Months Ended
Jun. 30, 2019
Jun. 30, 2022
Contingencies and commitments    
Milestone payment accrued but not yet paid   $ 1,000,000
Upfront license fees $ 2,000,000  
Maximum    
Contingencies and commitments    
Potential milestone payments $ 288,000,000